-er a-a aaa aad aae aak aam aao aar ad- ada add ade adk adm ado adr aea aed aee aek aem aeo aer aka akd ake akk akm ako akr ama amd ame amk amm amo amr aoa aod aoe aok aom aoo aor ar- ara ard are ark arm aro arr daa dad dae dak dam dao dar dda ddd dde ddk ddm ddo ddr de- dea ded dee dek dem deo der dka dke dkk dkm dko dkr dma dmd dme dmk dmm dmo dmr doa dod doe dok dom doo dor dra drd dre drk drm dro drr eaa ead eae eak eam eao ear ed- eda edd ede edk edm edo edr eea eed eee eek eem eeo eer eka ekd eke eko ekr em- ema emd eme emk emm emo emr eo- eoa eod eoe eok eom eoo eor era erd ere erk erm ero err ka- kaa kad kae kak kam kao kar kda kde kdk kdm kdo kdr ke- kea ked kee kek kem keo ker kke kkk kkm kkr kma kmd kme kmk kmm kmo koa kod koe kok kom koo kor kra krd krk kro krr m-o m-r maa mad mae mak mam mao mar mda mdd mde mdk mdm mdo mdr mea med mee mek mem meo mer mka mkd mke mkk mkm mko mkr mma mmd mme mmk mmm mmo mmr moa mod moe mok mom moo mor mra mrd mre mrk mrm mro mrr oaa oad oae oak oam oao oar oda odd ode odm odo odr oea oed oee oem oeo oer oka okd oke okk oko okr om- oma omd ome omm omo omr oo- ooa ood ook oom ooo oor or- ora ord ore ork orm oro orr ra- raa rad rae rak ram rao rar rda rdd rde rdm rdo rdr re- rea red ree rek rem reo rer rke rkk rkm rko rma rmd rme rmm rmo rmr roa rod roe rok rom roo ror rra rrd rrk rrm rrr